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When to use f:viewAction / preRenderView versus PostConstruct?
...eful if you want to perform actions based on model values set by <f:viewParam> during update model values phase. Namely, they are not available at the moment the @PostConstruct runs. In JSF 2.0/2.1, this tag didn't exist and you have to use the preRenderView workaround.
If the backing bean is...
Store a closure as a variable in Swift
...
In Swift 4 and 5. I created a closure variable containing two parameter dictionary and bool.
var completionHandler:([String:Any], Bool)->Void = { dict, success in
if success {
print(dict)
}
}
Calling the closure variable
self.completionHandler(["name":"Gurjinde...
Maintain the aspect ratio of a div with CSS
... site.
Say you have an embedded video like this:
<object>
<param ... /><param ... />...
<embed src="..." ...</embed>
</object>
You could then place this all inside a div with a "video" class. This video class will probably be the fluid element in your ...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...
If it is possible pass the params through regular GET/POST with a different name and let your server side code handles it.
I had a similar issue with my own proxy to bypass CORS and I got the same error of POST->OPTION in Chrome. It was the Author...
URL-parameters and logic in Django class-based views (TemplateView)
It is unclear to me how it is best to access URL-parameters in class-based-views in Django 1.5.
5 Answers
...
Overloaded method selection based on the parameter's real type
... method selection to take
in consideration the real (not the
declared) parameter type. Am I missing
something?
Yes. Your expectation is wrong. In Java, dynamic method dispatch happens only for the object the method is called on, not for the parameter types of overloaded methods.
Citing the ...
Getting vertical gridlines to appear in line plot in matplotlib
...ghlight the tick-marks. Majors will be Blue while Minors are Red.
ax.tick_params(which='both', width=3)
ax.tick_params(which='major', length=20, color='b')
ax.tick_params(which='minor', length=10, color='r')
Now to force the grid lines to be appear also on the Minor tick-marks, pass the which='mi...
How to add a line break in C# .NET documentation
...for a long time now... I saw the para option listed, but assumed it was a "paramater" shortcut.
– Tinkerer_CardTracker
Sep 2 '11 at 4:23
...
Test if string is a number in Ruby on Rails
... able to call is_number? directly on the string instead of passing it as a param to your helper function, then you need to define is_number? as an extension of the String class, like so:
class String
def is_number?
true if Float(self) rescue false
end
end
And then you can call it with:
m...
How to convert a string to integer in C?
...INT_INCONVERTIBLE
} str2int_errno;
/* Convert string s to int out.
*
* @param[out] out The converted int. Cannot be NULL.
*
* @param[in] s Input string to be converted.
*
* The format is the same as strtol,
* except that the following are inconvertible:
*
* - empty string
* ...